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Tag: linux

Installing tw-cli on Debian

Description (from man page) tw_cli(8) is a Command Line Interface Storage Management Software for 3ware ATA RAID Controller(s). It provides controller, logical unit and drive management. tw_cli can be used in both interactive and batch mode, providing higher-level API (Application Programming Interface) functionalities. Installing echo -e “\n# 3ware raid adapter\ndeb http://hwraid.le-vert.net/debian stretch main” >> /etc/apt/sources.list…

Debian – The following packages have been kept back

If you have some problems with package updates and apt-get return the message ‘The following packages have been kept back’ means that the packages have been retained and there are newer versions of the listed packages, which for some reason cannot be installed. (unfulfilled or changed or new dependencies) The solution: apt-get dist-upgrade -u Example:…

Linux rolls out to most Toyota and Lexus vehicles in North America

At the recent Automotive Linux Summit, held May 31 to June 2 in Tokyo, The Linux Foundation’s Automotive Grade Linux (AGL) project had one of its biggest announcements in its short history: The first automobile with AGLs open source Linux based Unified Code Base (UCB) infotainment stack will hit the streets in a few months.…

How to optimize images from command line

I’m using the following tools to perform lossless image compression: jpegoptim – jpegoptim is a utility for optimizing JPEG files. It provides lossless optimization (based on optimizing the Huffman tables) and “lossy” optimization based on setting a maximum quality factor. optipng – OptiPNG is a PNG optimizer that recompresses the image files to a smaller…